Any idea what the stock FL1995 specs are?The Bladwin B7039 seems to filter very well. The B7039 has:
1. a Nominal rating of 12 microns. 12 Microns is the smallest particle it will catch 50% of the time.
2. an Absolute Rating of 25 Microns. The smallest particle it will catch 98.7% of the time.
A human hair is about 60-70 microns.